3 files changed, 3 insertions, 2 deletions

diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 0ec92c8861dd..44faabc3c02c 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -657,6 +657,7 @@ static u64 maybe_change_configuration(struct cpu_hw_events *cpuc, u64 pcr)
                 cpuc->current_idx[i] = idx;
 
                 enc = perf_event_get_enc(cpuc->events[i]);
+                pcr &= ~mask_for_index(idx);
                 pcr |= event_encoding(enc, idx);
         }
 out:
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index ab036a72de5a..e11b4612dabb 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -183,7 +183,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
                 goto out_unlock;
         }
         
-        if (action && tmp)
+        if (tmp)
                 tmp->next = action->next;
         else
                 *actionp = action->next;
diff --git a/arch/sparc/kernel/ttable.S b/arch/sparc/kernel/ttable.S
index 76d837fc47d3..c6dfdaa29e20 100644
--- a/arch/sparc/kernel/ttable.S
+++ b/arch/sparc/kernel/ttable.S
@@ -64,7 +64,7 @@ tl0_irq6:	TRAP_IRQ(smp_call_function_single_client, 6)
 tl0_irq6:       BTRAP(0x46)
 #endif
 tl0_irq7:       TRAP_IRQ(deferred_pcr_work_irq, 7)
-#ifdef CONFIG_KGDB
+#if defined(CONFIG_KGDB) && defined(CONFIG_SMP)
 tl0_irq8:       TRAP_IRQ(smp_kgdb_capture_client, 8)
 #else
 tl0_irq8:       BTRAP(0x48)